leaf area estimation is study and follow the growth of leaves in non-destructive. Studied in tropical fruit of some kind and researched to the leaf area in durian (Monthong) was 20 year-old. The object was to study leaves from 4 different ages , make different leaf area estimation or not. Using the leaves from the durian at the age of 3, 6, 10, and 25 years-old in Chanthaburi. By linear relationship between measured leaf area value (LA) from LI-3100C area meter with various parameters, Including maximum leaf width (W), maximum leaf width square (W2), midrib length (L), midrib length square (L2) and product of maximum leaf width and midrib length (WL). Compare to find out leaf area estimation is reasonable, have r2 > 0.90 and the most simple variable. The result found that W and W2 variable could be used for Durian tree every age and showed that high and nearby r2 (0.91 - 0.94) and (0.92 - 0.95). The linear model for every age in Durian tree provided with high accurate estimate (r2 > 0.90) were
LA = 19.20W - 38.78 (r2 = 0.92) and LA = 2.18W2 + 1.29 (r2 = 0.94). Can be used to non-destructive follow the growth of leaves.
leaf area estimation is study and follow the growth of leaves in non-destructive. Studied in tropical fruit of some kind and researched to the leaf area in durian (Monthong) was 20 year-old. The object was to study leaves from 4 different ages , make different leaf area estimation or not. Using the leaves from the durian at the age of 3, 6, 10, and 25 years-old in Chanthaburi. By linear relationship between measured leaf area value (LA) from LI-3100C area meter with various parameters, Including maximum leaf width (W), maximum leaf width square (W2), midrib length (L), midrib length square (L2) and product of maximum leaf width and midrib length (WL). Compare to find out leaf area estimation is reasonable, have r2 > 0.90 and the most simple variable. The result found that W and W2 variable could be used for Durian tree every age and showed that high and nearby r2 (0.91 - 0.94) and (0.92 - 0.95). The linear model for every age in Durian tree provided with high accurate estimate (r2 > 0.90) were LA = 19.20W - 38.78 (r2 = 0.92) and LA = 2.18W2 + 1.29 (r2 = 0.94). Can be used to non-destructive follow the growth of leaves.
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